Home / 968,764.07-1,453,473.01-428,946.65

Finding the Fourth Proportional to 968,764.07, 1,453,473.01 and 428,946.65

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Solution

The fourth proportional to 968,764.07, 1,453,473.01 and 428,946.65 is: 643,564.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,764.07 : 1,453,473.01 = 428,946.65 : x
  2. Step 2: Convert to fraction form
    968,764.07/1,453,473.01 = 428,946.65/x
  3. Step 3: Cross multiply
    968,764.07x = 1,453,473.01 × 428,946.65
  4. Step 4: Simplify right side
    968,764.07x = 623,462,380,173.03
  5. Step 5: Solve for x
    x = 623,462,380,173.03/968,764.07
  6. Step 6: Final answer
    x = 643,564.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.